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Daphnite

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ESM572502

Daphnite

Description Tabs

Description
Locality: 
South Caradon Mine, St Cleer, Cornwall, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 2.5 × 3 cm
Description

Deep green-black daphnite crystals with minor pyrite on quartz

Mineral Data
What's on the rock

Daphnite

Variety Of: 

Chamosite

Formula: 
(Fe2+,Mg)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
3.0
Formula: 
(Fe,Mg)5Al(Si,Al)4O10(OH)8
Hardness: 
0.0